feat(dataMap): 添加表单和元素字段选择验证

src/views/tentative/components/dataMap.vue

@@ -402,7 +402,14 @@ export default {
         this.$message.warning("请进行数据映射配置");
         return;
       }
-
+    const isValid = this.listArr.every(item => 
+    item.elementId && item.initTabId
+  );
+  
+  if (!isValid) {
+    this.$message.warning("请确保选择了所有表单和元素字段！");
+    return;
+  }
       this.saveLoaing = true;
       const { data: res } = await saveLinkDetail({
         classId: this.classId,